Home / 75,305.75-103,911.14-45,083.84

Finding the Fourth Proportional to 75,305.75, 103,911.14 and 45,083.84

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Solution

The fourth proportional to 75,305.75, 103,911.14 and 45,083.84 is: 62,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,305.75 : 103,911.14 = 45,083.84 : x
  2. Step 2: Convert to fraction form
    75,305.75/103,911.14 = 45,083.84/x
  3. Step 3: Cross multiply
    75,305.75x = 103,911.14 × 45,083.84
  4. Step 4: Simplify right side
    75,305.75x = 4,684,712,803.13
  5. Step 5: Solve for x
    x = 4,684,712,803.13/75,305.75
  6. Step 6: Final answer
    x = 62,209.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.